/*
* checks for ip address for hit
*/
int hip_hit_to_ip(hip_hit_t *hit, struct in6_addr *retval) {
struct addrinfo *rp = NULL; // no C99 :(
char hit_to_ip_hostname[64+HIT_TO_IP_ZONE_MAX_LEN+1];
int found_addr = 0;
struct addrinfo hints;
struct addrinfo *result = NULL;
int res;
if ((hit == NULL)||(retval == NULL))
return ERR;
if (hip_get_hit_to_ip_hostname(hit, hit_to_ip_hostname, sizeof(hit_to_ip_hostname))!=OK)
return ERR;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
hints.ai_socktype = SOCK_DGRAM; /* Datagram socket. Right? */
hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */
hints.ai_protocol = 0; /* Any protocol */
hints.ai_canonname = NULL;
hints.ai_addr = NULL;
hints.ai_next = NULL;
/* getaddrinfo is too complex for DNS lookup, but let us use it now */
res = getaddrinfo( hit_to_ip_hostname, NULL, &hints, &result );
HIP_DEBUG("getaddrinfo(%s) returned %d\n", hit_to_ip_hostname, res);
if (res!=0) {
HIP_DEBUG("getaddrinfo error %s\n", gai_strerror(res));
return ERR;
}
/* Look at the list and return only one address, let us prefer AF_INET */
for (rp = result; rp != NULL; rp = rp->ai_next) {
HIP_DEBUG_SOCKADDR("getaddrinfo result", rp->ai_addr);
if (rp->ai_family == AF_INET) {
struct sockaddr_in *tmp_sockaddr_in_ptr = (struct sockaddr_in *) (rp->ai_addr);
IPV4_TO_IPV6_MAP(&(tmp_sockaddr_in_ptr->sin_addr), retval)
found_addr = 1;
break;
} else if (rp->ai_family == AF_INET6) {
struct sockaddr_in6 *tmp_sockaddr_in6_ptr = (struct sockaddr_in6 *) (rp->ai_addr);
ipv6_addr_copy(retval, &(tmp_sockaddr_in6_ptr->sin6_addr));
found_addr = 1;
}
}
if (result)
freeaddrinfo(result);
if (found_addr)
return OK;
else
return ERR;
}
int main(int argc,char *argv[]) {
struct ifaddrs *g_ifaces = NULL, *g_iface;
struct if_nameindex *i_ifaces = NULL, *i_iface;
int err = 0;
char *default_str = "<unknown>";
char addr_str[INET6_ADDRSTRLEN+1]; /* Segfault? Alloc this dynamically?x */
/* getifaddrs */
err = getifaddrs(&g_ifaces);
if (err) {
HIP_ERROR("getifaddr failed\n");
goto out;
}
printf("===getifaddrs===\n");
for (g_iface = g_ifaces; g_iface; g_iface = g_iface->ifa_next) {
sa_family_t family = g_iface->ifa_addr->sa_family;
fprintf(stderr, "name: %s, family: %d, address ", g_iface->ifa_name, family);
HIP_DEBUG_SOCKADDR(NULL, g_iface->ifa_addr);
}
/* if_nameindex */
printf("===nameindex===\n");
i_ifaces = if_nameindex();
for (i_iface = i_ifaces; i_iface->if_index; i_iface++) {
fprintf(stderr, "name: %s index: %d\n", i_iface->if_name, i_iface->if_index);
}
out:
if (g_ifaces)
freeifaddrs(g_ifaces);
if (i_ifaces)
if_freenameindex(i_ifaces);
}
